silverstripe-framework/admin/code/CampaignAdmin.php
2016-12-19 16:08:19 +13:00

517 lines
15 KiB
PHP

<?php
namespace SilverStripe\Admin;
use SilverStripe\Control\Controller;
use SilverStripe\Control\HTTPResponse;
use SilverStripe\Control\HTTPRequest;
use SilverStripe\Core\Convert;
use SilverStripe\Forms\HiddenField;
use SilverStripe\Forms\FormAction;
use SilverStripe\Forms\FieldList;
use SilverStripe\Forms\Form;
use SilverStripe\Forms\RequiredFields;
use SilverStripe\ORM\SS_List;
use SilverStripe\ORM\ValidationResult;
use SilverStripe\ORM\Versioning\ChangeSet;
use SilverStripe\ORM\Versioning\ChangeSetItem;
use SilverStripe\ORM\DataObject;
use SilverStripe\ORM\UnexpectedDataException;
use SilverStripe\Security\SecurityToken;
use SilverStripe\Security\PermissionProvider;
use LogicException;
/**
* Campaign section of the CMS
*/
class CampaignAdmin extends LeftAndMain implements PermissionProvider
{
private static $allowed_actions = [
'set',
'sets',
'schema',
'DetailEditForm',
'readCampaigns',
'readCampaign',
'deleteCampaign',
'publishCampaign',
];
private static $menu_priority = 3;
private static $menu_title = 'Campaigns';
private static $tree_class = 'SilverStripe\\ORM\\Versioning\\ChangeSet';
private static $url_handlers = [
'GET sets' => 'readCampaigns',
'POST set/$ID/publish' => 'publishCampaign',
'GET set/$ID/$Name' => 'readCampaign',
'DELETE set/$ID' => 'deleteCampaign',
];
private static $url_segment = 'campaigns';
/**
* Size of thumbnail width
*
* @config
* @var int
*/
private static $thumbnail_width = 64;
/**
* Size of thumbnail height
*
* @config
* @var int
*/
private static $thumbnail_height = 64;
private static $required_permission_codes = 'CMS_ACCESS_CampaignAdmin';
public function getClientConfig()
{
return array_merge(parent::getClientConfig(), [
'reactRouter' => true,
'form' => [
// TODO Use schemaUrl instead
'EditForm' => [
'schemaUrl' => $this->Link('schema/EditForm')
],
'DetailEditForm' => [
'schemaUrl' => $this->Link('schema/DetailEditForm')
],
],
'itemListViewEndpoint' => [
'url' => $this->Link() . 'set/:id/show',
'method' => 'get'
],
'publishEndpoint' => [
'url' => $this->Link() . 'set/:id/publish',
'method' => 'post'
],
'treeClass' => $this->config()->tree_class
]);
}
public function getEditForm($id = null, $fields = null)
{
$fields = new FieldList(
CampaignAdminList::create('ChangeSets')
);
$actions = new FieldList();
$form = Form::create($this, 'EditForm', $fields, $actions);
// Set callback response
$form->setValidationResponseCallback(function () use ($form) {
$schemaId = $this->Link('schema/EditForm');
return $this->getSchemaResponse($form, $schemaId);
});
return $form;
}
public function EditForm($request = null)
{
// Get ID either from posted back value, or url parameter
$request = $request ?: $this->getRequest();
$id = $request->param('ID') ?: $request->postVar('ID');
return $this->getEditForm($id);
}
/**
* REST endpoint to get a list of campaigns.
*
* @return HTTPResponse
*/
public function readCampaigns()
{
$response = new HTTPResponse();
$response->addHeader('Content-Type', 'application/json');
$hal = $this->getListResource();
$response->setBody(Convert::array2json($hal));
return $response;
}
/**
* Get list contained as a hal wrapper
*
* @return array
*/
protected function getListResource()
{
$items = $this->getListItems();
$count = $items->count();
/** @var string $treeClass */
$treeClass = $this->config()->tree_class;
$hal = [
'count' => $count,
'total' => $count,
'_links' => [
'self' => [
'href' => $this->Link('items')
]
],
'_embedded' => [$treeClass => []]
];
foreach ($items as $item) {
/** @var ChangeSet $item */
$resource = $this->getChangeSetResource($item);
$hal['_embedded'][$treeClass][] = $resource;
}
return $hal;
}
/**
* Build item resource from a changeset
*
* @param ChangeSet $changeSet
* @return array
*/
protected function getChangeSetResource(ChangeSet $changeSet)
{
$hal = [
'_links' => [
'self' => [
'href' => $this->SetLink($changeSet->ID)
]
],
'ID' => $changeSet->ID,
'Name' => $changeSet->Name,
'Created' => $changeSet->Created,
'LastEdited' => $changeSet->LastEdited,
'State' => $changeSet->State,
'IsInferred' => $changeSet->IsInferred,
'canEdit' => $changeSet->canEdit(),
'canPublish' => false,
'_embedded' => ['items' => []]
];
// Before presenting the changeset to the client,
// synchronise it with new changes.
try {
$changeSet->sync();
$hal['Description'] = $changeSet->getDescription();
$hal['canPublish'] = $changeSet->canPublish();
foreach ($changeSet->Changes() as $changeSetItem) {
if (!$changeSetItem) {
continue;
}
/** @var ChangesetItem $changeSetItem */
$resource = $this->getChangeSetItemResource($changeSetItem);
$hal['_embedded']['items'][] = $resource;
}
$hal['ChangesCount'] = count($hal['_embedded']['items']);
// An unexpected data exception means that the database is corrupt
} catch (UnexpectedDataException $e) {
$hal['Description'] = 'Corrupt database! ' . $e->getMessage();
$hal['ChangesCount'] = '-';
}
return $hal;
}
/**
* Build item resource from a changesetitem
*
* @param ChangeSetItem $changeSetItem
* @return array
*/
protected function getChangeSetItemResource(ChangeSetItem $changeSetItem)
{
$baseClass = DataObject::getSchema()->baseDataClass($changeSetItem->ObjectClass);
$baseSingleton = DataObject::singleton($baseClass);
$thumbnailWidth = (int)$this->config()->thumbnail_width;
$thumbnailHeight = (int)$this->config()->thumbnail_height;
$hal = [
'_links' => [
'self' => [
'href' => $this->ItemLink($changeSetItem->ID)
]
],
'ID' => $changeSetItem->ID,
'Created' => $changeSetItem->Created,
'LastEdited' => $changeSetItem->LastEdited,
'Title' => $changeSetItem->getTitle(),
'ChangeType' => $changeSetItem->getChangeType(),
'Added' => $changeSetItem->Added,
'ObjectClass' => $changeSetItem->ObjectClass,
'ObjectID' => $changeSetItem->ObjectID,
'BaseClass' => $baseClass,
'Singular' => $baseSingleton->i18n_singular_name(),
'Plural' => $baseSingleton->i18n_plural_name(),
'Thumbnail' => $changeSetItem->ThumbnailURL($thumbnailWidth, $thumbnailHeight),
];
// Get preview urls
$previews = $changeSetItem->getPreviewLinks();
if ($previews) {
$hal['_links']['preview'] = $previews;
}
// Get edit link
$editLink = $changeSetItem->CMSEditLink();
if ($editLink) {
$hal['_links']['edit'] = [
'href' => $editLink,
];
}
// Depending on whether the object was added implicitly or explicitly, set
// other related objects.
if ($changeSetItem->Added === ChangeSetItem::IMPLICITLY) {
$referencedItems = $changeSetItem->ReferencedBy();
$referencedBy = [];
foreach ($referencedItems as $referencedItem) {
$referencedBy[] = [
'href' => $this->SetLink($referencedItem->ID)
];
}
if ($referencedBy) {
$hal['_links']['referenced_by'] = $referencedBy;
}
}
return $hal;
}
/**
* Gets viewable list of campaigns
*
* @return SS_List
*/
protected function getListItems()
{
return ChangeSet::get()
->filter('State', ChangeSet::STATE_OPEN)
->filterByCallback(function ($item) {
/** @var ChangeSet $item */
return ($item->canView());
});
}
/**
* REST endpoint to get a campaign.
*
* @param HTTPRequest $request
*
* @return HTTPResponse
*/
public function readCampaign(HTTPRequest $request)
{
$response = new HTTPResponse();
if ($request->getHeader('Accept') == 'text/json') {
$response->addHeader('Content-Type', 'application/json');
if (!$request->param('Name')) {
return (new HTTPResponse(null, 400));
}
/** @var ChangeSet $changeSet */
$changeSet = ChangeSet::get()->byID($request->param('ID'));
if (!$changeSet) {
return (new HTTPResponse(null, 404));
}
if (!$changeSet->canView()) {
return (new HTTPResponse(null, 403));
}
$body = Convert::raw2json($this->getChangeSetResource($changeSet));
return (new HTTPResponse($body, 200))
->addHeader('Content-Type', 'application/json');
} else {
return $this->index($request);
}
}
/**
* REST endpoint to delete a campaign.
*
* @param HTTPRequest $request
*
* @return HTTPResponse
*/
public function deleteCampaign(HTTPRequest $request)
{
// Check security ID
if (!SecurityToken::inst()->checkRequest($request)) {
return new HTTPResponse(null, 400);
}
$id = $request->param('ID');
if (!$id || !is_numeric($id)) {
return (new HTTPResponse(null, 400));
}
$record = ChangeSet::get()->byID($id);
if (!$record) {
return (new HTTPResponse(null, 404));
}
if (!$record->canDelete()) {
return (new HTTPResponse(null, 403));
}
$record->delete();
return (new HTTPResponse(null, 204));
}
/**
* REST endpoint to publish a {@link ChangeSet} and all of its items.
*
* @param HTTPRequest $request
*
* @return HTTPResponse
*/
public function publishCampaign(HTTPRequest $request)
{
// Protect against CSRF on destructive action
if (!SecurityToken::inst()->checkRequest($request)) {
return (new HTTPResponse(null, 400));
}
$id = $request->param('ID');
if (!$id || !is_numeric($id)) {
return (new HTTPResponse(null, 400));
}
/** @var ChangeSet $record */
$record = ChangeSet::get()->byID($id);
if (!$record) {
return (new HTTPResponse(null, 404));
}
if (!$record->canPublish()) {
return (new HTTPResponse(null, 403));
}
try {
$record->publish();
} catch (LogicException $e) {
return (new HTTPResponse(json_encode(['status' => 'error', 'message' => $e->getMessage()]), 401))
->addHeader('Content-Type', 'application/json');
}
return (new HTTPResponse(
Convert::raw2json($this->getChangeSetResource($record)),
200
))->addHeader('Content-Type', 'application/json');
}
/**
* Url handler for edit form
*
* @param HTTPRequest $request
* @return Form
*/
public function DetailEditForm($request)
{
// Get ID either from posted back value, or url parameter
$id = $request->param('ID') ?: $request->postVar('ID');
return $this->getDetailEditForm($id);
}
/**
* @todo Use GridFieldDetailForm once it can handle structured data and form schemas
*
* @param int $id
* @return Form
*/
public function getDetailEditForm($id)
{
// Get record-specific fields
$record = null;
if ($id) {
$record = ChangeSet::get()->byID($id);
if (!$record || !$record->canView()) {
return null;
}
}
if (!$record) {
$record = ChangeSet::singleton();
}
$fields = $record->getCMSFields();
// Add standard fields
$fields->push(HiddenField::create('ID'));
$form = Form::create(
$this,
'DetailEditForm',
$fields,
FieldList::create(
FormAction::create('save', _t('CMSMain.SAVE', 'Save'))
->setIcon('save'),
FormAction::create('cancel', _t('LeftAndMain.CANCEL', 'Cancel'))
->setUseButtonTag(true)
),
new RequiredFields('Name')
);
// Load into form
if ($id && $record) {
$form->loadDataFrom($record);
}
// Configure form to respond to validation errors with form schema
// if requested via react.
$form->setValidationResponseCallback(function (ValidationResult $errors) use ($form, $record) {
$schemaId = Controller::join_links(
$this->Link('schema/DetailEditForm'),
$record->isInDB() ? $record->ID : ''
);
return $this->getSchemaResponse($schemaId, $form, $errors);
});
return $form;
}
/**
* Gets user-visible url to edit a specific {@see ChangeSet}
*
* @param $itemID
* @return string
*/
public function SetLink($itemID)
{
return Controller::join_links(
$this->Link('set'),
$itemID
);
}
/**
* Gets user-visible url to edit a specific {@see ChangeSetItem}
*
* @param int $itemID
* @return string
*/
public function ItemLink($itemID)
{
return Controller::join_links(
$this->Link('item'),
$itemID
);
}
public function providePermissions()
{
return array(
"CMS_ACCESS_CampaignAdmin" => array(
'name' => _t('CMSMain.ACCESS', "Access to '{title}' section", array('title' => static::menu_title())),
'category' => _t('Permission.CMS_ACCESS_CATEGORY', 'CMS Access'),
'help' => _t(
'CampaignAdmin.ACCESS_HELP',
'Allow viewing of the campaign publishing section.'
)
)
);
}
}